... End cap size:250*900*50MM(alternative) road speed humpName:Speed hump,Speed breaker, speed bumpSpecifications:Middle section size:500*900*50mm(Trapezium) ... ,notable decelerate effect,without noise and uncomfortable feeling.2 High intensity rubber,firm and useful,good anti-impact ability. ... village,parking lot,and gas station,etc.Instructions:1) Speed bumps can be installed on the surface of asphalt ...